“We got to fill this thing full of banners,” Smith said of Reliant Stadium.

Well, the Texans added another one Sunday.

With their 29-17 victory over the visiting Indianapolis Colts, the Texans won their second straight AFC South title, taking ownership of a division the Colts have won seven times since the Texans joined the NFL in 2002.

The Texans got contributions from all phases of the game as they improved to 12-2 and remained on track for the No. 1 seed in the AFC playoffs.

Arian Foster ran for 165 yards — including 75 yards on a clock-milking fourth-quarter drive — and Andre Johnson had 11 catches for 151 yards and a score.

Defensive lineman J.J. Watt added to his résumé for NFL Defensive Player of the Year with 10 tackles, three sacks and a forced fumble.